import javax.swing.plaf.synth.SynthPopupMenuUI;

public class Main {
    public static void main(String[] args) {
        String s="hellp";
        char[] c=s.toCharArray()
        System.out.println(s[0]);
    }
}
class Solution {
    public String toLowerCase(String s) {
        StringBuilder str=null;
        for(int i=0;i<s.length();i++){
            char c=s.charAt(i);
            if(IsUp(c)){
                c^=32;
            }
            String k=String.valueOf(c);
            str.append(k);
        }
        return str.toString();
    }
    public boolean IsUp(char c){
        if(c>='A'&&c<'a'){
            return true;
        }
        return false;
    }
}